Visualizing spacetimes via embedding diagrams

Details Visualizing spacetimes via embedding diagrams Visualizing spacetimes via embedding diagrams

2007-01-09

arxiv.org/abs/astro-ph/0701237v2

Proceedngs of Albert Einstein Century International Conference, 18-22 July 2005, Paris, France, eds Jean-Michel Alimi, Andre F

Astronomy and Astrophysics

Astrophysics

8 pages, 5 figures

Scientific paper

It is hard to imagine curved spacetimes of General Relativity. A simple but powerful way how to achieve this is visualizing them via embedding diagrams of both ordinary geometry and optical reference geometry. They facilitate to gain an intuitive insight into the gravitational field rendered into a curved spacetime, and to assess the influence of parameters like electric charge and spin of a black hole, magnetic field or cosmological constant. Optical reference geometry and related inertial forces and their relationship to embedding diagrams are particularly useful for investigation of test particles motion. Embedding diagrams of static and spherically symmetric, or stationary and axially symmetric black-hole and naked-singularity spacetimes thus present a useful concept for intuitive understanding of these spacetimes' nature. We concentrate on general way of embedding into 3-dimensional Euclidean space, and give a set of illustrative examples.

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